Contents of Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
1 A. Video error_ No video/Normal audio Check White Balance value A2
2
A. Video error_ video error /Video
lag/stop
TUNER input signal strength checking
method
A3
3 Version checking method A4
4 Tuner Checking Part A5
5
A. Video error _Vertical/Horizontal bar,
residual image, light spot
Connection diagram A6
6
A. Video error_ Color error
Check Link Cable (LVDS) reconnection
condition
A7
7 Adjustment Test pattern - ADJ Key A8
8
<Appendix>
Defected Type caused by T-Con/
Inverter/ Module
Exchange Main Board (1) A-1/5
9 Exchange Main Board (2) A-2/5
10 Exchange Power Board (PSU) A-3/5
11 Exchange Module (1) A-4/5
12 Exchange Module (2) A-5/5
Copyright © 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes